/* roulang page: index */
:root{
  --gold:#E0AE55;
  --copper:#C06438;
  --brown:#8A4628;
  --ink:#1E1712;
  --ink2:#2A2119;
  --bg:#F7F2EA;
  --card:#FFFDF8;
  --text:#211A14;
  --text-weak:#75665A;
  --border:#E9DFD1;
  --alert:#C1492A;
  --success:#4E7A54;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-pill:999px;
  --shadow:0 12px 30px rgba(80,50,20,0.08);
  --shadow-lg:0 20px 44px rgba(80,50,20,0.14);
  --grad-gold:linear-gradient(135deg,#E0AE55 0%,#C06438 100%);
  --font-stack:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-stack);
  background:var(--bg);
  color:var(--text);
  line-height:1.75;
  font-size:1rem;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select,textarea{font-family:inherit;font-size:inherit}
ul,ol{list-style:none}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
.section{padding:100px 0}
.section-light{background:var(--card);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.section-dark{background:var(--ink);color:#fff}
.section-label{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(224,174,85,0.16);
  color:var(--brown);
  font-size:0.875rem;font-weight:700;
  padding:8px 16px;border-radius:var(--radius-pill);
  letter-spacing:0.06em;
  border:1px solid rgba(224,174,85,0.35);
}
.section-title{
  font-size:2rem;font-weight:800;line-height:1.3;
  margin:18px 0 14px;color:var(--text);letter-spacing:-0.02em;
}
.section-dark .section-title{color:#fff}
.section-desc{color:var(--text-weak);font-size:1rem;max-width:720px}
.section-dark .section-desc{color:rgba(255,255,255,0.72)}
.section-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:48px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:48px;padding:0 28px;border-radius:var(--radius-pill);
  font-weight:700;font-size:0.95rem;letter-spacing:0.02em;
  border:none;cursor:pointer;transition:all 0.25s ease;
  position:relative;overflow:hidden;
  white-space:nowrap;
}
.btn-primary{
  background:var(--grad-gold);
  color:var(--ink);
  box-shadow:0 8px 22px rgba(192,100,56,0.26);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(192,100,56,0.34)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  background:transparent;color:#fff;
  border:1px solid rgba(255,255,255,0.7);
}
.btn-ghost:hover{background:rgba(255,255,255,0.14);border-color:#fff;transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-dark{
  background:var(--ink);color:#fff;
}
.btn-dark:hover{background:#332820;transform:translateY(-2px)}
.btn-dark:active{transform:translateY(0)}
.btn-line{
  background:transparent;color:var(--text);
  border:1px solid var(--copper);
}
.btn-line:hover{background:rgba(224,174,85,0.18);border-color:var(--brown);transform:translateY(-2px)}
.btn-line:active{transform:translateY(0)}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(247,242,234,0.96);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
  height:72px;
}
.header-inner{height:100%;display:flex;align-items:center;gap:20px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:42px;height:42px;border-radius:12px;
  background:var(--grad-gold);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--ink);font-weight:900;font-size:1.15rem;letter-spacing:-0.04em;
  box-shadow:0 6px 16px rgba(192,100,56,0.3);
}
.brand-text{font-weight:800;font-size:1.35rem;line-height:1;letter-spacing:-0.02em;color:var(--text)}
.brand-text span{color:var(--copper);font-weight:800}
.main-nav{
  display:flex;align-items:center;gap:4px;
  margin-left:auto;flex-shrink:0;
}
.nav-link{
  padding:10px 16px;border-radius:var(--radius-pill);
  font-weight:700;font-size:0.96rem;color:var(--text);
  transition:all 0.24s ease;position:relative;
}
.nav-link:hover{background:rgba(224,174,85,0.14);color:var(--brown)}
.nav-link.active{color:var(--brown)}
.nav-link.active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:-4px;
  height:3px;border-radius:3px;background:var(--copper);
}
.header-cta{
  margin-left:16px;min-height:44px;padding:0 24px;
  font-size:0.9rem;
}
.nav-toggle{
  display:none;margin-left:auto;width:46px;height:46px;
  border-radius:14px;border:1px solid var(--border);
  background:var(--card);color:var(--text);
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle svg{width:23px;height:23px}

/* ===== Hero ===== */
.hero{
  position:relative;
  background-image:linear-gradient(115deg,rgba(30,23,18,0.96) 0%,rgba(30,23,18,0.9) 42%,rgba(42,33,25,0.78) 72%,rgba(42,33,25,0.58) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center 30%;
  color:#fff;
}
.hero-inner{
  display:grid;grid-template-columns:1.05fr 0.95fr;
  align-items:center;gap:56px;
  padding:92px 0 100px;
  position:relative;z-index:2;
}
.hero-pill{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,0.1);
  border:1px solid rgba(255,255,255,0.22);
  color:#F6DDBA;font-size:0.9rem;font-weight:700;
  padding:8px 18px;border-radius:var(--radius-pill);
  letter-spacing:0.04em;
}
.hero-title{
  font-size:clamp(2.4rem,5vw,3.7rem);
  line-height:1.18;font-weight:800;
  color:#fff;margin:26px 0 22px;
  letter-spacing:-0.02em;
}
.hero-title .accent{color:var(--gold)}
.hero-sub{
  font-size:1.1rem;line-height:1.85;
  color:rgba(255,255,255,0.82);
  max-width:540px;
  margin-bottom:36px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:42px}
.hero-chips{display:flex;flex-wrap:wrap;gap:14px}
.data-chip{
  display:inline-flex;align-items:center;gap:12px;
  background:rgba(255,255,255,0.07);
  border:1px solid rgba(255,255,255,0.2);
  border-radius:var(--radius-pill);
  padding:10px 20px 10px 12px;
  backdrop-filter:blur(4px);
}
.data-chip b{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:40px;height:36px;padding:0 8px;
  background:rgba(224,174,85,0.18);
  color:var(--gold);
  border-radius:10px;
  font-size:1.05rem;font-weight:900;
  font-variant-numeric:tabular-nums;
}
.data-chip span{font-size:0.86rem;color:rgba(255,255,255,0.86);font-weight:600}

.hero-product-card{
  background:#FDF8F0;
  border-radius:var(--radius-lg);
  padding:20px;
  color:var(--text);
  box-shadow:0 28px 70px rgba(0,0,0,0.35);
  position:relative;
  max-width:480px;
  margin-left:auto;
  border:1px solid rgba(255,255,255,0.4);
}
.hero-product-img{
  background:#F3EADC;
  border-radius:18px;
  aspect-ratio:4/3;
  overflow:hidden;
  display:flex;align-items:center;justify-content:center;
  position:relative;
}
.hero-product-img img{
  width:calc(100% - 22px);height:calc(100% - 22px);
  object-fit:contain;
}
.hero-flag{
  position:absolute;top:14px;left:14px;
  background:var(--alert);
  color:#fff;font-size:0.78rem;font-weight:800;
  padding:6px 14px;border-radius:var(--radius-pill);
  letter-spacing:0.04em;
  box-shadow:0 6px 14px rgba(193,73,42,0.3);
}
.hero-flag.stock{background:var(--success)}
.hero-product-info{padding:20px 4px 6px}
.hero-product-info h3{font-size:1.35rem;font-weight:800;margin-bottom:6px}
.hero-product-info .tagline{color:var(--text-weak);font-size:0.92rem}
.price-block{margin:16px 0;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.price{font-size:1.7rem;font-weight:900;color:var(--copper);font-variant-numeric:tabular-nums}
.price-old{color:var(--text-weak);text-decoration:line-through;font-size:1rem}
.stars{display:inline-flex;align-items:center;gap:2px;margin-right:4px}
.stars svg{width:16px;height:16px;fill:var(--gold)}
.rating-note{font-size:0.86rem;color:var(--text-weak)}

/* ===== 板块通用 ===== */
.more-link{
  display:inline-flex;align-items:center;gap:8px;
  font-weight:800;color:var(--brown);font-size:0.96rem;
  padding:12px 22px;border:1px solid var(--copper);
  border-radius:var(--radius-pill);transition:all 0.25s ease;
  background:transparent;
}
.more-link:hover{background:rgba(224,174,85,0.12);transform:translateY(-2px)}
.more-link svg{width:18px;height:18px}

/* ===== 产品网格 ===== */
.products-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr;
  gap:26px;
  align-items:stretch;
}
.product-card{
  background:var(--card);
  border-radius:var(--radius-lg);
  border:1px solid var(--border);
  box-shadow:var(--shadow);
  padding:20px;
  display:flex;flex-direction:column;
  transition:all 0.3s ease;
  position:relative;
}
.product-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--gold)}
.product-media{
  background:#F3EBDD;
  border-radius:18px;
  aspect-ratio:4/3;
  overflow:hidden;
  display:flex;align-items:center;justify-content:center;
  position:relative;
  margin-bottom:18px;
}
.product-media img{width:calc(100% - 20px);height:calc(100% - 20px);object-fit:contain}
.corner-tag{
  position:absolute;top:12px;left:12px;
  background:var(--brown);color:#fff;
  font-size:0.77rem;font-weight:800;
  padding:5px 12px;border-radius:var(--radius-pill);
  letter-spacing:0.03em;
  box-shadow:0 4px 12px rgba(30,23,18,0.18);
}
.corner-tag.hot{background:var(--alert)}
.corner-tag.official{background:var(--success)}
.product-card h3{font-size:1.22rem;font-weight:800;line-height:1.4;margin-bottom:6px}
.product-spec{color:var(--text-weak);font-size:0.92rem;margin-bottom:14px;min-height:48px}
.product-buy{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:16px;margin-top:8px;
  padding-top:16px;border-top:1px solid var(--border);
}
.product-buy .price{font-size:1.5rem}
.product-card.featured{
  display:grid;grid-template-columns:1fr 1fr;
  gap:22px;
  padding:24px;
}
.product-card.featured .product-media{height:100%;margin-bottom:0}
.product-featured-content{display:flex;flex-direction:column;justify-content:center;padding:8px 4px}
.product-featured-content h3{font-size:1.5rem}
.product-featured-content .product-spec{min-height:auto}
.feature-list{
  list-style:none;margin:10px 0 18px;display:grid;gap:8px;
}
.feature-list li{display:flex;gap:10px;align-items:flex-start;font-size:0.94rem;color:var(--text)}
.feature-list li svg{width:19px;height:19px;color:var(--success);flex-shrink:0;margin-top:4px}
.btn-add{
  background:var(--ink);color:#fff;
  border-radius:var(--radius-pill);
  min-height:42px;padding:0 22px;
  font-size:0.9rem;font-weight:700;
  display:inline-flex;align-items:center;justify-content:center;
  transition:all 0.25s ease;border:none;cursor:pointer;
  white-space:nowrap;
}
.btn-add:hover{background:var(--copper);transform:translateY(-2px)}
.btn-add:active{transform:translateY(0)}

/* ===== 流程区块 ===== */
.flow-steps{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:20px;counter-reset:flow;
}
.flow-step{
  background:var(--bg);
  border-radius:var(--radius-md);
  border:1px solid var(--border);
  padding:32px 26px;
  position:relative;
  transition:all 0.3s ease;
}
.flow-step:hover{background:var(--card);box-shadow:var(--shadow);transform:translateY(-3px)}
.flow-step-num{
  width:48px;height:48px;border-radius:16px;
  background:var(--ink);
  color:var(--gold);
  display:flex;align-items:center;justify-content:center;
  font-size:1.15rem;font-weight:900;
  margin-bottom:20px;
  font-variant-numeric:tabular-nums;
}
.flow-step h3{font-size:1.1rem;font-weight:800;margin-bottom:8px}
.flow-step p{font-size:0.9rem;color:var(--text-weak);line-height:1.7}

/* ===== 评价轮播 ===== */
.review-section{
  background:linear-gradient(140deg,#1E1712 0%,#2A2119 78%,#3A2E22 100%);
  color:#fff;position:relative;overflow:hidden;
}
.review-section::before{
  content:"";position:absolute;width:340px;height:340px;border-radius:50%;
  top:-120px;right:-80px;
  background:radial-gradient(circle,rgba(224,174,85,0.13),transparent 70%);
}
.review-section::after{
  content:"";position:absolute;width:300px;height:300px;border-radius:50%;
  bottom:-140px;left:-80px;
  background:radial-gradient(circle,rgba(192,100,56,0.13),transparent 70%);
}
.slider-shell{max-width:920px;margin:0 auto;position:relative;z-index:2}
.slider-viewport{overflow:hidden;border-radius:26px}
.slider-track{display:flex;transition:transform 0.5s cubic-bezier(0.22,0.8,0.24,1)}
.slider-slide{min-width:100%;padding:10px 0 22px}
.review-quote{
  background:rgba(255,255,255,0.06);
  border:1px solid rgba(255,255,255,0.14);
  border-radius:26px;
  padding:48px 54px 44px;
  position:relative;
}
.review-quote .quote-mark{
  font-size:5rem;color:var(--gold);
  font-family:Georgia,serif;line-height:0.6;display:block;
  margin-bottom:22px;opacity:0.8;
}
.review-text{font-size:1.16rem;line-height:1.9;color:rgba(255,255,255,0.92);margin-bottom:26px}
.review-user{display:flex;align-items:center;gap:14px}
.review-avatar{
  width:50px;height:50px;border-radius:50%;
  background:var(--grad-gold);color:var(--ink);
  display:flex;align-items:center;justify-content:center;
  font-size:1.1rem;font-weight:900;
}
.review-name strong{display:block;font-size:1rem}
.review-name span{font-size:0.88rem;color:rgba(255,255,255,0.6)}
.review-stars{margin-left:auto;flex-shrink:0;display:flex;align-items:center;font-size:0.9rem;color:rgba(255,255,255,0.65)}
.slider-controls{display:flex;justify-content:center;align-items:center;gap:22px;margin-top:30px}
.slider-arrow{
  width:48px;height:48px;border-radius:50%;
  border:1px solid rgba(255,255,255,0.4);
  background:transparent;color:#fff;
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;transition:all 0.25s ease;
}
.slider-arrow:hover{background:var(--gold);border-color:var(--gold);color:var(--ink);transform:translateY(-2px)}
.slider-arrow svg{width:20px;height:20px}
.slider-dots{display:flex;gap:9px}
.slider-dots button{
  width:10px;height:10px;border-radius:50%;
  border:none;background:rgba(255,255,255,0.28);
  cursor:pointer;transition:all 0.25s ease;padding:0;
}
.slider-dots button.active{background:var(--gold);width:32px;border-radius:6px}

/* ===== 保障区块 ===== */
.assurance-grid{display:grid;grid-template-columns:repeat(3,1fr) 1.2fr;gap:44px;align-items:center}
.assurance-item{display:flex;gap:16px;align-items:flex-start}
.assurance-icon{
  width:56px;height:56px;border-radius:18px;
  background:rgba(224,174,85,0.17);
  border:1px solid rgba(224,174,85,0.3);
  display:flex;align-items:center;justify-content:center;
  color:var(--brown);flex-shrink:0;
}
.assurance-icon svg{width:26px;height:26px}
.assurance-item h3{font-size:1.05rem;font-weight:800;margin:4px 0 6px}
.assurance-item p{font-size:0.9rem;color:var(--text-weak)}
.assurance-badge{
  background:var(--ink);
  border-radius:24px;color:#fff;
  padding:28px 30px;
  position:relative;overflow:hidden;
}
.assurance-badge::before{
  content:"";position:absolute;width:160px;height:160px;
  border-radius:50%;background:rgba(224,174,85,0.15);
  top:-70px;right:-40px;
}
.assurance-badge .big{font-size:2.1rem;font-weight:900;display:block;line-height:1.2;color:var(--gold)}
.assurance-badge .small{font-size:0.92rem;color:rgba(255,255,255,0.75);margin-top:6px;display:block}

/* ===== 资讯列表 ===== */
.news-list{display:grid;max-width:1060px;margin:0 auto}
.news-item{
  display:grid;
  grid-template-columns:150px 1fr 180px;
  gap:26px;
  padding:30px 0;
  border-bottom:1px solid var(--border);
  align-items:start;
  transition:all 0.25s ease;
}
.news-item:last-child{border-bottom:0}
.news-cat{
  display:inline-flex;align-items:center;
  background:rgba(224,174,85,0.16);
  color:var(--brown);
  font-size:0.84rem;font-weight:800;
  padding:6px 16px;
  border-radius:var(--radius-pill);
  justify-self:start;
  border:1px solid rgba(224,174,85,0.2);
}
.news-item h3{font-size:1.15rem;font-weight:800;line-height:1.5;margin-bottom:7px}
.news-item h3 a{transition:color 0.22s}
.news-item h3 a:hover{color:var(--copper)}
.news-item p{color:var(--text-weak);font-size:0.95rem;line-height:1.7}
.news-meta{text-align:right;display:flex;flex-direction:column;align-items:flex-end;gap:12px}
.news-meta time{color:var(--text-weak);font-size:0.86rem;font-variant-numeric:tabular-nums}
.read-more{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--copper);font-weight:800;font-size:0.9rem;
  transition:gap 0.2s;
}
.read-more:hover{gap:10px;color:var(--brown)}
.news-empty{
  text-align:center;
  border:1px dashed var(--border);
  border-radius:var(--radius-lg);
  background:#FFFDF8;
  padding:56px 24px;color:var(--text-weak);font-size:1rem;
}

/* ===== FAQ ===== */
.faq-list{max-width:840px;margin:0 auto;display:grid;gap:16px}
.faq-item{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  transition:all 0.25s ease;overflow:hidden;
}
.faq-item:hover{border-color:var(--gold);box-shadow:var(--shadow)}
.faq-item summary{
  list-style:none;
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;padding:24px 28px;
  font-size:1.05rem;font-weight:800;cursor:pointer;
  color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item .faq-icon{
  width:32px;height:32px;border-radius:50%;
  background:rgba(224,174,85,0.16);
  color:var(--brown);
  display:inline-flex;align-items:center;justify-content:center;
  flex-shrink:0;font-size:1.3rem;font-weight:400;
  transition:transform 0.25s ease;
}
.faq-item[open] .faq-icon{transform:rotate(45deg)}
.faq-item[open] summary{border-bottom:1px solid var(--border)}
.faq-answer{padding:22px 28px 26px;color:var(--text-weak);font-size:0.98rem;line-height:1.85}

/* ===== CTA ===== */
.cta-band{
  position:relative;
  background-image:linear-gradient(115deg,rgba(30,23,18,0.96) 0%,rgba(42,33,25,0.86) 55%,rgba(42,33,25,0.72) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  text-align:center;color:#fff;
}
.cta-inner{position:relative;z-index:2;max-width:820px;margin:0 auto;padding:60px 0}
.cta-title{font-size:clamp(1.9rem,3.6vw,2.8rem);font-weight:800;line-height:1.4;margin-bottom:18px}
.cta-desc{color:rgba(255,255,255,0.8);font-size:1.05rem;margin-bottom:36px}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.cta-note{margin-top:22px;font-size:0.85rem;color:rgba(255,255,255,0.52)}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--ink);
  color:rgba(255,255,255,0.72);
  border-top:3px solid var(--gold);
  padding:76px 0 30px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr .8fr .8fr 1.2fr;gap:44px;margin-bottom:44px}
.footer-brand .brand{color:#fff;margin-bottom:16px}
.footer-brand .brand-mark{background:var(--grad-gold);color:var(--ink)}
.footer-brand .brand-text{color:#fff}
.footer-brand .brand-text span{color:var(--gold)}
.footer-desc{font-size:0.95rem;line-height:1.8;max-width:300px;margin-top:2px}
.footer-col h4{
  color:#fff;font-size:1.02rem;font-weight:800;margin-bottom:18px;
  position:relative;padding-bottom:10px;
}
.footer-col h4::after{content:"";position:absolute;left:0;bottom:0;width:28px;height:3px;border-radius:3px;background:var(--gold)}
.footer-col ul{display:grid;gap:12px}
.footer-col a{color:rgba(255,255,255,0.72);font-size:0.92rem;transition:all 0.22s;display:inline-flex;gap:6px;align-items:center}
.footer-col a:hover{color:var(--gold);transform:translateX(4px)}
.footer-contact p{display:flex;gap:10px;align-items:flex-start;font-size:0.92rem;line-height:1.7}
.footer-contact svg{width:18px;height:18px;color:var(--gold);flex-shrink:0;margin-top:4px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.14);
  padding-top:24px;
  font-size:0.85rem;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
}
.footer-bottom span{color:rgba(255,255,255,0.5)}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:50px;padding:72px 0 80px}
  .hero-product-card{margin-left:0;max-width:100%}
  .flow-steps{grid-template-columns:1fr 1fr}
  .assurance-grid{grid-template-columns:1fr 1fr;gap:36px 28px}
  .products-grid{grid-template-columns:1fr 1fr}
  .product-card.featured{grid-template-columns:1fr}
  .product-card.featured .product-media{height:auto}
  .news-item{grid-template-columns:130px 1fr}
  .news-meta{grid-column:2;text-align:left;align-items:flex-start;flex-direction:row;flex-wrap:wrap}
}
@media (max-width:768px){
  body.nav-open{overflow:hidden}
  .site-header{height:64px}
  .header-inner{gap:12px}
  .main-nav{
    display:none;
    position:fixed;top:64px;left:0;right:0;bottom:0;
    flex-direction:column;align-items:stretch;justify-content:flex-start;
    background:#F7F2EA;
    padding:24px 0 28px;
    border-top:1px solid var(--border);
    overflow-y:auto;z-index:99;
  }
  body.nav-open .main-nav{display:flex}
  .nav-link{font-size:1.2rem;padding:16px 26px}
  .nav-link.active::after{display:none}
  .nav-link.active{background:rgba(224,174,85,0.14)}
  .header-cta{
    margin:16px 16px 0;
    width:calc(100% - 32px);
    justify-content:center;font-size:1.1rem;
  }
  .nav-toggle{display:inline-flex}
  .section{padding:56px 0}
  .section-title{font-size:1.6rem}
  .brand-text{font-size:1.16rem}
  .hero-inner{padding:60px 0 70px;gap:40px}
  .hero-title{font-size:clamp(2rem,7vw,2.7rem)}
  .hero-sub{font-size:1rem}
  .hero-actions .btn{width:100%;margin-bottom:2px}
  .data-chip{width:100%;padding:12px 16px}
  .products-grid{grid-template-columns:1fr}
  .product-card.featured{padding:18px}
  .flow-steps{grid-template-columns:1fr}
  .assurance-grid{grid-template-columns:1fr;gap:28px}
  .review-quote{padding:34px 24px}
  .review-stars{display:none}
  .news-item{grid-template-columns:1fr;gap:14px}
  .news-meta{grid-column:1;flex-direction:row;justify-content:space-between;align-items:center}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .footer-brand{grid-column:1/-1}
  .cta-actions{flex-direction:column;width:100%}
  .cta-actions .btn{width:100%}
}
@media (max-width:520px){
  .container{padding-left:18px;padding-right:18px}
  .brand-text span{display:block;font-size:0.95rem;line-height:1.2}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column}
  .review-section .section-head,.news-section .section-head{margin-bottom:30px}
  .faq-item summary{padding:20px}
  .faq-answer{padding:18px 20px 22px}
  .header-cta{min-height:48px}
}

/* roulang page: article */
:root{
  --gold:#E0AE55;
  --copper:#C06438;
  --sienna:#8A4628;
  --ink:#1E1712;
  --ink-2:#2A2119;
  --paper:#F7F2EA;
  --card:#FFFDF8;
  --text:#211A14;
  --muted:#75665A;
  --border:#E9DFD1;
  --red:#C1492A;
  --green:#4E7A54;
  --white:#FFFFFF;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:12px;
  --grad-core:linear-gradient(135deg,#E0AE55 0%,#C06438 100%);
  --shadow-card:0 12px 30px rgba(80,50,20,.08);
  --shadow-hover:0 18px 40px rgba(80,50,20,.13);
  --font-main:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-main);
  background:var(--paper);
  color:var(--text);
  font-size:1rem;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  padding-top:72px;
}
body.no-scroll{overflow:hidden}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
ul,ol{padding-left:1.4rem}
svg{flex-shrink:0}
.container{
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
h1,h2,h3,h4{line-height:1.3;font-weight:800;color:var(--text)}
h1{font-size:clamp(2rem,4vw,3.2rem)}
h2{font-size:clamp(1.7rem,2.8vw,2.2rem)}
h3{font-size:1.25rem;line-height:1.5}
p{margin-bottom:1rem}
a:focus-visible,button:focus-visible{
  outline:2px solid var(--gold);
  outline-offset:3px;
  border-radius:6px;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:48px;
  padding:0 26px;
  border:0;
  border-radius:999px;
  font-size:.95rem;
  font-weight:700;
  cursor:pointer;
  white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn:active{transform:scale(.97)}
.btn-primary{
  background:var(--grad-core);
  color:#21140B;
  box-shadow:0 10px 20px rgba(192,100,56,.18);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 14px 26px rgba(192,100,56,.28);
}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-outline-dark{
  background:transparent;
  color:var(--text);
  border:1px solid #C7B9A8;
}
.btn-outline-dark:hover{
  background:rgba(224,174,85,.14);
  border-color:var(--gold);
  transform:translateY(-2px);
}
.btn-outline-dark:active{transform:translateY(0) scale(.98)}
.btn-light-line{
  background:transparent;
  color:#fff;
  border:1px solid rgba(255,255,255,.65);
}
.btn-light-line:hover{
  background:rgba(255,255,255,.14);
  border-color:#fff;
  transform:translateY(-2px);
}
.tag{
  display:inline-flex;
  align-items:center;
  min-height:32px;
  padding:0 14px;
  border-radius:999px;
  font-size:.82rem;
  font-weight:600;
  background:rgba(224,174,85,.2);
  color:#6B3F1D;
}
.tag-outline{
  background:transparent;
  border:1px solid #C7B9A8;
  color:#6B4E3A;
}

.site-header{
  position:fixed;
  top:0;
  left:0;
  right:0;
  z-index:100;
  height:72px;
  background:var(--paper);
  border-bottom:1px solid rgba(233,223,209,.9);
  box-shadow:0 1px 12px rgba(80,50,20,.04);
}
.header-inner{
  height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}
.brand-mark{
  width:42px;
  height:42px;
  display:grid;
  place-items:center;
  border-radius:14px;
  background:var(--grad-core);
  color:#211A14;
  font-weight:900;
  font-size:1.02rem;
  letter-spacing:-.04em;
  box-shadow:0 6px 14px rgba(192,100,56,.16);
}
.brand-text{
  font-weight:900;
  font-size:1.3rem;
  color:var(--text);
  letter-spacing:-.02em;
  white-space:nowrap;
}
.brand-text span{color:#A2492C}
.main-nav{
  display:flex;
  align-items:center;
  gap:6px;
}
.nav-link{
  position:relative;
  padding:10px 16px;
  border-radius:999px;
  font-size:.95rem;
  font-weight:600;
  color:#4C3D31;
  transition:background .2s ease,color .2s ease;
}
.nav-link:hover{
  background:rgba(224,174,85,.16);
  color:var(--text);
}
.nav-link.active{
  color:var(--ink);
  background:rgba(224,174,85,.12);
}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:18px;
  right:18px;
  bottom:2px;
  height:3px;
  border-radius:3px;
  background:var(--grad-core);
}
.header-cta{
  margin-left:10px;
  min-height:44px;
  padding:0 22px;
}
.nav-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  width:44px;
  height:44px;
  border:none;
  border-radius:12px;
  background:rgba(224,174,85,.16);
  color:#4A2E16;
  cursor:pointer;
  transition:background .2s ease;
}
.nav-toggle:hover{background:rgba(224,174,85,.3)}
.nav-toggle svg{width:22px;height:22px}

main{display:block}
.article-main{
  padding:44px 0 32px;
}
.article-container{
  max-width:960px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
.crumbs{
  margin-bottom:20px;
  font-size:.9rem;
}
.crumbs ol{
  list-style:none;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:6px;
  padding:0;
}
.crumbs li{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--muted);
}
.crumbs li + li::before{
  content:"/";
  color:#C5B7A7;
}
.crumbs a{
  color:#7A3B25;
}
.crumbs a:hover{color:var(--sienna);text-decoration:underline}

.article-paper{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);
  padding:clamp(28px,5vw,56px);
}
.article-head{
  padding-bottom:30px;
  border-bottom:1px solid var(--border);
  margin-bottom:36px;
}
.article-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 16px;
  border-radius:999px;
  background:rgba(224,174,85,.18);
  color:#80501D;
  font-size:.82rem;
  font-weight:700;
  letter-spacing:.03em;
}
.article-eyebrow::before{
  content:"";
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--copper);
}
.article-title{
  margin:20px 0 24px;
  font-size:clamp(1.8rem,4vw,2.7rem);
  line-height:1.25;
  letter-spacing:-.02em;
  word-wrap:break-word;
  overflow-wrap:break-word;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px 22px;
  align-items:center;
  font-size:.9rem;
  color:var(--muted);
}
.meta-item{
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.meta-item::before{
  content:"";
  width:6px;
  height:6px;
  border-radius:50%;
  background:rgba(192,100,56,.6);
}
.meta-strong{color:#7A3B25;font-weight:600}

.article-body{
  font-size:1.02rem;
  line-height:1.9;
  color:#33271D;
}
.article-body p{
  margin-bottom:1.4em;
}
.article-body h2{
  margin-top:2.4em;
  margin-bottom:.9em;
  font-size:1.7rem;
  letter-spacing:-.02em;
  padding-bottom:.35em;
  border-bottom:1px solid var(--border);
}
.article-body h3{
  margin-top:2.1em;
  margin-bottom:.75em;
  font-size:1.3rem;
  color:var(--ink);
}
.article-body strong{
  color:var(--text);
  font-weight:700;
}
.article-body ul,.article-body ol{
  margin:1.3em 0;
  padding-left:1.6em;
}
.article-body li{
  margin-bottom:.55em;
}
.article-body ul li::marker{
  color:var(--copper);
}
.article-body blockquote{
  margin:2em 0;
  padding:20px 26px;
  background:#F5EDDF;
  border-left:4px solid var(--gold);
  border-radius:0 16px 16px 0;
  color:#56483B;
  font-style:italic;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body a{
  color:#B0522E;
  text-decoration:underline;
  text-underline-offset:3px;
  transition:color .2s ease;
}
.article-body a:hover{color:var(--sienna)}
.article-body img{
  margin:2.2em auto;
  border-radius:16px;
  border:1px solid var(--border);
  box-shadow:var(--shadow-card);
}
.article-body img + span,
.article-body figcaption{
  text-align:center;
  font-size:.85rem;
  color:var(--muted);
  display:block;
  margin-top:-1.6em;
  margin-bottom:2em;
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:2em 0;
  font-size:.95rem;
  line-height:1.6;
  display:block;
  overflow-x:auto;
  border:1px solid var(--border);
  border-radius:14px;
}
.article-body th{
  background:#F5EDDF;
  color:var(--ink);
  font-weight:700;
  padding:14px 16px;
  border:1px solid var(--border);
  text-align:left;
  white-space:nowrap;
}
.article-body td{
  padding:13px 16px;
  border:1px solid var(--border);
  background:#FFFDF8;
}
.article-body code{
  background:#F1E7D8;
  border:1px solid var(--border);
  border-radius:7px;
  padding:2px 8px;
  font-family:ui-monospace,"SFMono-Regular","Menlo",monospace;
  font-size:.88em;
  color:#8A3D1B;
}
.article-body pre{
  background:var(--ink);
  border-radius:16px;
  color:#F7F2EA;
  padding:24px;
  overflow-x:auto;
  margin:2em 0;
  box-shadow:var(--shadow-card);
}
.article-body pre code{
  background:transparent;
  border:none;
  color:inherit;
  padding:0;
}
.origin-note{
  margin-top:36px;
  padding-top:18px;
  border-top:1px dashed var(--border);
  font-size:.87rem;
  color:var(--muted);
}

.article-bottom{
  margin-top:40px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.mini-title{
  font-size:.82rem;
  font-weight:700;
  color:var(--muted);
  margin-bottom:6px;
  letter-spacing:.03em;
}
.article-bottom-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}

.not-found-mark{
  width:84px;
  height:84px;
  display:grid;
  place-items:center;
  border-radius:24px;
  background:rgba(224,174,85,.16);
  font-size:2rem;
  font-weight:900;
  color:#A2492C;
  margin-bottom:20px;
}
.not-found-card h1{
  font-size:clamp(1.9rem,4vw,2.8rem);
  color:var(--text);
}
.not-found-card .nf-lead{
  font-size:1.05rem;
  color:var(--muted);
  max-width:620px;
}
.not-found-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:26px;
}

.library-section{
  background:var(--card);
  border-top:1px solid var(--border);
  padding:68px 0;
}
.library-head{
  display:flex;
  align-items:end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:34px;
}
.library-head h2{
  margin-bottom:4px;
}
.library-head p{
  color:var(--muted);
  font-size:.95rem;
  margin:0;
}
.library-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.library-card{
  position:relative;
  display:flex;
  flex-direction:column;
  background:var(--paper);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.library-card:hover{
  transform:translateY(-5px);
  box-shadow:var(--shadow-hover);
  border-color:var(--gold);
}
.library-thumb{
  aspect-ratio:16 / 9;
  overflow:hidden;
  background:var(--ink-2);
}
.library-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .4s ease;
}
.library-card:hover .library-thumb img{transform:scale(1.035)}
.library-content{
  display:flex;
  flex-direction:column;
  flex:1;
  padding:22px 22px 24px;
}
.library-content h3{
  font-size:1.1rem;
  margin-bottom:8px;
}
.library-content p{
  flex:1;
  font-size:.91rem;
  color:var(--muted);
  margin-bottom:20px;
  line-height:1.7;
}
.library-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-weight:700;
  color:#8A3D1B;
}
.library-link svg{width:17px;height:17px;transition:transform .2s ease}
.library-card:hover .library-link svg{transform:translateX(4px)}

.cta-band{
  position:relative;
  isolation:isolate;
  background:url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  color:#fff;
  padding:84px 0;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:-1;
  background:linear-gradient(120deg,rgba(30,23,18,.94) 0%,rgba(42,33,25,.86) 100%);
}
.cta-inner{
  max-width:760px;
  margin:0 auto;
  text-align:center;
}
.cta-inner h2{
  color:#fff;
  font-size:clamp(1.8rem,3.4vw,2.6rem);
  margin-bottom:16px;
}
.cta-inner p{
  color:rgba(255,255,255,.86);
  font-size:1.05rem;
  margin-bottom:30px;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:14px;
}
.cta-note{
  margin-top:18px;
  font-size:.84rem;
  color:rgba(255,255,255,.7);
}

.site-footer{
  background:var(--ink);
  color:rgba(247,242,234,.78);
  border-top:4px solid var(--gold);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.3fr .8fr 1fr 1.1fr;
  gap:44px;
  padding-bottom:48px;
}
.site-footer .brand-text{
  color:#F7F2EA;
}
.site-footer .brand-text span{
  color:var(--gold);
}
.footer-desc{
  margin-top:18px;
  font-size:.95rem;
  color:rgba(247,242,234,.68);
  line-height:1.8;
}
.footer-col h4{
  color:#fff;
  font-size:1rem;
  letter-spacing:.02em;
  margin-bottom:18px;
}
.footer-col ul{
  list-style:none;
  padding-left:0;
}
.footer-col li{
  margin-bottom:12px;
}
.footer-col li a{
  font-size:.92rem;
  color:rgba(247,242,234,.75);
  transition:color .2s ease,padding-left .2s ease;
}
.footer-col li a:hover{
  color:var(--gold);
  padding-left:4px;
}
.footer-contact p{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:.9rem;
  margin-bottom:14px;
  color:rgba(247,242,234,.75);
}
.footer-contact svg{
  width:18px;
  height:18px;
  color:var(--gold);
  margin-top:4px;
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:10px;
  border-top:1px solid rgba(247,242,234,.12);
  padding:24px 0 28px;
  font-size:.88rem;
  color:rgba(247,242,234,.55);
}

@media (max-width:1100px){
  .footer-grid{
    grid-template-columns:1fr 1fr;
    gap:36px;
  }
  .library-grid{
    grid-template-columns:repeat(2,1fr);
  }
}
@media (max-width:1024px){
  body{padding-top:64px}
  .site-header,.header-inner{height:64px}
  .header-inner{gap:12px}
  .nav-toggle{
    display:inline-flex;
    margin-left:auto;
  }
  .main-nav{
    position:fixed;
    top:72px;
    left:16px;
    right:16px;
    z-index:99;
    display:flex;
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    background:var(--card);
    border:1px solid var(--border);
    border-radius:22px;
    padding:16px;
    opacity:0;
    transform:translateY(-12px);
    pointer-events:none;
    visibility:hidden;
    box-shadow:0 24px 50px rgba(50,32,15,.16);
    transition:opacity .22s ease,transform .22s ease,visibility .22s ease;
  }
  .main-nav.open{
    opacity:1;
    transform:translateY(0);
    visibility:visible;
    pointer-events:auto;
  }
  .nav-link{
    width:100%;
    text-align:center;
    font-size:1rem;
    padding:13px 16px;
  }
  .nav-link.active::after{
    left:30px;
    right:30px;
    bottom:4px;
  }
  .main-nav .header-cta{
    width:100%;
    margin:12px 0 0;
    min-height:46px;
  }
  .article-main{padding:32px 0 24px}
  .article-paper{padding:26px 22px}
  .cta-band{padding:68px 0}
}
@media (max-width:768px){
  body{line-height:1.7}
  .container{padding-left:18px;padding-right:18px}
  .article-container{padding-left:18px;padding-right:18px}
  .library-grid{
    grid-template-columns:1fr;
    max-width:520px;
    margin:0 auto;
  }
  .library-head{
    flex-direction:column;
    align-items:flex-start;
    gap:10px;
  }
  .article-meta{
    gap:8px 14px;
  }
  .cta-actions .btn{
    width:100%;
  }
  .footer-grid{
    grid-template-columns:1fr;
    gap:36px;
    padding-bottom:36px;
  }
  .footer-bottom{
    flex-direction:column;
    justify-content:flex-start;
    gap:6px;
  }
}
@media (max-width:520px){
  .brand-text{
    font-size:1.14rem;
  }
  .brand-mark{
    width:38px;
    height:38px;
    border-radius:12px;
  }
  .article-paper{
    padding:22px 16px;
    border-radius:20px;
  }
  .article-title{
    font-size:1.65rem;
    line-height:1.35;
  }
  .article-bottom{
    flex-direction:column;
    align-items:flex-start;
  }
  .article-bottom-actions{
    width:100%;
    flex-direction:column;
  }
  .article-bottom-actions .btn{
    width:100%;
  }
}

/* roulang page: category1 */
:root{
  --sand:#E0AE55;
  --copper:#C06438;
  --sienna:#8A4628;
  --ink:#1E1712;
  --coffee:#2A2119;
  --cream:#F7F2EA;
  --card:#FFFDF8;
  --text:#211A14;
  --muted:#75665A;
  --line:#E9DFD1;
  --alert:#C1492A;
  --green:#4E7A54;
  --grad-gold:linear-gradient(135deg,#E0AE55 0%,#C06438 100%);
  --grad-dark:linear-gradient(135deg,#1E1712 0%,#2A2119 100%);
  --shadow-sm:0 6px 18px rgba(80,50,20,.06);
  --shadow:0 12px 30px rgba(80,50,20,.08);
  --shadow-lg:0 24px 48px rgba(80,50,20,.14);
  --r-lg:24px;
  --r-md:18px;
  --r-pill:999px;
  --font: "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--cream);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
.container{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
.section{padding:96px 0}
.section-cream{background:var(--cream)}
.section-dark{background:var(--ink);color:#FFF8ED}
h1,h2,h3{line-height:1.25;font-weight:800;color:var(--text)}
h2{font-size:2rem;letter-spacing:-.02em}
h3{font-size:1.25rem;font-weight:700}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px}
.section-head p{margin-top:8px;color:var(--muted);font-size:1rem;max-width:640px}
.more-link{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--sienna);border-bottom:2px solid transparent;padding-bottom:2px;transition:border-color .2s,color .2s;white-space:nowrap}
.more-link:hover{color:var(--copper);border-color:var(--copper)}
.more-link svg{width:18px;height:18px}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 24px;border-radius:var(--r-pill);border:1px solid transparent;font-weight:700;font-size:.94rem;transition:transform .2s,box-shadow .2s,background .2s,color .2s;line-height:1;cursor:pointer;text-align:center;outline:none}
.btn:focus-visible{outline:2px solid var(--sand);outline-offset:3px}
.btn-primary{background:var(--grad-gold);color:#231A10;box-shadow:0 10px 24px rgba(192,100,56,.26)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 30px rgba(192,100,56,.32)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 12px rgba(192,100,56,.25)}
.btn-secondary{background:#FFFDF8;color:#2A2119;border-color:#E9DFD1;box-shadow:var(--shadow-sm)}
.btn-secondary:hover{background:rgba(224,174,85,.12);border-color:var(--sand);transform:translateY(-2px)}
.btn-outline{background:transparent;border-color:#2A2119;color:#2A2119}
.btn-outline:hover{background:rgba(224,174,85,.12);border-color:var(--copper);color:var(--sienna);transform:translateY(-2px)}
.btn-light{background:#FFFDF8;color:#211A14;border-color:rgba(255,255,255,.36);box-shadow:0 10px 26px rgba(0,0,0,.12)}
.btn-light:hover{background:var(--sand);color:#1E1712;transform:translateY(-3px)}
.btn-ghost-light{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.68);color:#FFF8ED}
.btn-ghost-light:hover{background:rgba(255,255,255,.14);border-color:#FFF8ED;transform:translateY(-2px)}
.btn-sm{min-height:40px;padding:0 18px;font-size:.88rem}
.btn-block{width:100%}
/* site header */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,253,248,.96);border-bottom:1px solid var(--line);transition:box-shadow .25s;backdrop-filter:blur(14px)}
.site-header.scrolled{box-shadow:0 8px 30px rgba(80,50,20,.07)}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:72px;gap:24px}
.brand{display:inline-flex;align-items:center;gap:34px;flex-shrink:0}
.brand-mark{width:42px;height:42px;border-radius:14px;background:var(--grad-gold);box-shadow:0 8px 18px rgba(192,100,56,.22);display:grid;place-items:center;font-weight:800;font-size:17px;letter-spacing:-.04em;color:#241408;flex:none}
.brand-text{font-size:21px;font-weight:800;letter-spacing:-.04em;color:#16100B}
.brand-text span{display:block;font-size:13px;font-weight:600;color:var(--copper);letter-spacing:.08em;transform:translateY(-2px)}
.main-nav{display:flex;align-items:center;gap:6px}
.nav-link{position:relative;padding:10px 20px;border-radius:var(--r-pill);font-weight:600;color:var(--text);white-space:nowrap;transition:background .2s,color .2s;outline:none}
.nav-link:hover{background:rgba(224,174,85,.14);color:var(--sienna)}
.nav-link:focus-visible{outline:2px solid var(--sand);outline-offset:-2px}
.nav-link.active{background:rgba(224,174,85,.18);color:var(--sienna)}
.header-cta{margin-left:12px}
.nav-toggle{display:none;width:44px;height:44px;border:0;border-radius:12px;background:transparent;color:#211A14;align-items:center;justify-content:center;cursor:pointer;outline:none}
.nav-toggle svg{width:24px;height:24px}
.nav-toggle:hover{background:rgba(224,174,85,.16)}
.nav-toggle:focus-visible{outline:2px solid var(--sand);outline-offset:2px}
/* category hero */
.cat-hero{position:relative;background:url('/assets/images/backpic/back-1.webp') center 38%/cover no-repeat;color:#FFF8ED;overflow:hidden}
.cat-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(30,23,18,.94) 0%,rgba(42,33,25,.8) 48%,rgba(42,33,25,.42) 100%)}
.cat-hero .container{position:relative;z-index:2;padding-top:70px;padding-bottom:72px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:.82rem;color:rgba(255,248,237,.68);margin-bottom:20px;flex-wrap:wrap}
.breadcrumb a{color:rgba(255,248,237,.86);padding:2px 0;border-bottom:1px solid transparent;transition:color .2s,border-color .2s}
.breadcrumb a:hover{color:var(--sand);border-color:var(--sand)}
.cat-hero h1{font-size:clamp(2.2rem,5vw,3.4rem);font-weight:800;letter-spacing:-.03em;color:#FFF8ED;line-height:1.18}
.cat-hero .lead{font-size:clamp(1rem,1.6vw,1.14rem);margin-top:16px;line-height:1.85;color:rgba(255,248,237,.88);max-width:700px}
.cat-hero-sub{margin-top:10px;color:var(--sand);font-weight:600;font-size:.96rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-note{display:inline-flex;align-items:center;gap:6px;margin-top:18px;font-size:.86rem;color:rgba(255,248,237,.62)}
/* feature product grid */
.feature-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
.product-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s,border-color .25s;display:flex;flex-direction:column}
.product-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(224,174,85,.7)}
.product-card:focus-within{outline:2px solid var(--sand);outline-offset:3px}
.card-media{overflow:hidden;background:#EFE6D8}
.card-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .45s}
.product-card:hover .card-media img{transform:scale(1.035)}
.card-body{padding:30px;display:flex;flex-direction:column;gap:14px;flex:1}
.card-tags{display:flex;flex-wrap:wrap;gap:8px}
.tag{display:inline-flex;align-items:center;gap:6px;background:rgba(224,174,85,.18);color:#79451B;border:1px solid rgba(224,174,85,.34);padding:4px 14px;border-radius:var(--r-pill);font-size:.8rem;font-weight:600}
.tag-copper{background:rgba(192,100,56,.12);color:#9A421E;border-color:rgba(192,100,56,.28)}
.card-body h3{font-size:1.45rem;letter-spacing:-.01em}
.card-desc{color:var(--muted);font-size:.94rem}
.spec-list{margin:4px 0 0;display:grid;gap:8px}
.spec-list li{position:relative;padding-left:26px;color:#412F21;font-size:.93rem}
.spec-list li::before{content:"";position:absolute;left:2px;top:8px;width:16px;height:9px;border-left:2px solid var(--copper);border-bottom:2px solid var(--copper);transform:rotate(-45deg)}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:16px;border-top:1px solid var(--line);padding-top:20px;flex-wrap:wrap}
.price{font-size:.9rem;color:var(--muted);line-height:1.5}
.price strong{display:block;font-size:1.3rem;color:var(--text);letter-spacing:-.02em;font-weight:800;font-variant-numeric:tabular-nums}
.price em{font-style:normal;color:var(--alert);font-weight:700}
/* more line list */
.line-section{background:#FFFDF8;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.line-list{border-top:1px solid var(--line)}
.line-item{display:flex;align-items:center;justify-content:space-between;gap:32px;padding:34px 4px;border-bottom:1px solid var(--line);transition:background .2s}
.line-item:hover{background:rgba(224,174,85,.05)}
.line-item:hover h3{color:var(--sienna)}
.line-info{max-width:780px}
.line-top{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:10px}
.line-top h3{font-size:1.3rem;transition:color .2s}
.line-summary{color:var(--muted);font-size:.95rem;line-height:1.8}
.line-specs{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}
.line-specs li{font-size:.83rem;color:#6A533E;background:#F4ECDF;border-radius:8px;padding:4px 12px}
.line-bottom{display:flex;align-items:center;gap:18px;margin-top:14px;flex-wrap:wrap}
.line-bottom .line-price{font-weight:700;color:var(--text);font-size:1rem;font-variant-numeric:tabular-nums}
.line-action{flex:none}
/* guide band */
.guide-band{background:var(--grad-dark);color:#FFF8ED;border-radius:var(--r-lg);margin:0 auto;overflow:hidden;position:relative}
.guide-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:46px 52px}
.guide-band::after{content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;background:radial-gradient(circle,rgba(224,174,85,.22),transparent 65%)}
.guide-copy{position:relative;z-index:1}
.guide-copy h3{font-size:1.55rem;color:#FFF8ED;margin-bottom:8px}
.guide-copy p{color:rgba(255,248,237,.78);max-width:680px}
.guide-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;position:relative;z-index:1;flex:none}
/* faq */
.faq-section{background:var(--cream)}
.faq-wrap{max-width:900px;margin:0 auto}
.faq-wrap details{background:var(--card);border:1px solid var(--line);border-radius:20px;margin-bottom:16px;overflow:hidden;transition:border-color .2s,box-shadow .2s}
.faq-wrap details[open]{border-color:rgba(224,174,85,.55);box-shadow:var(--shadow-sm)}
.faq-wrap summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:22px 28px;cursor:pointer;font-weight:700;font-size:1rem;outline:none;transition:background .2s}
.faq-wrap summary::-webkit-details-marker{display:none}
.faq-wrap summary:hover{background:rgba(224,174,85,.08)}
.faq-wrap summary:focus-visible{outline:2px solid var(--sand);outline-offset:-4px;border-radius:20px}
.faq-icon{width:30px;height:30px;flex:none;border-radius:50%;background:rgba(224,174,85,.16);border:1px solid rgba(224,174,85,.36);position:relative}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:13px;top:8px;width:2px;height:12px;background:var(--copper);border-radius:2px;transition:transform .2s}
.faq-icon::after{transform:rotate(90deg)}
.faq-wrap details[open] .faq-icon::after{transform:rotate(0)}
.faq-answer{padding:0 28px 24px;color:var(--muted);font-size:.95rem;line-height:1.85}
.faq-answer strong{color:var(--text)}
/* final cta */
.final-cta{position:relative;background:url('/assets/images/backpic/back-3.webp') center 50%/cover no-repeat;color:#FFF8ED}
.final-cta::before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(30,23,18,.94) 0%,rgba(42,33,21,.82) 100%)}
.final-inner{position:relative;z-index:1;text-align:center;max-width:780px;margin:0 auto}
.final-inner h2{font-size:clamp(1.8rem,4vw,2.6rem);color:#FFF8ED;letter-spacing:-.02em}
.final-inner p{margin-top:14px;color:rgba(255,248,237,.82);font-size:1.03rem}
.final-actions{display:flex;justify-content:center;gap:16px;margin-top:32px;flex-wrap:wrap}
.badge-row{justify-content:center;display:flex;gap:10px;flex-wrap:wrap;margin-top:34px}
.data-badge{display:inline-flex;flex-direction:column;align-items:flex-start;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);border-radius:var(--r-pill);padding:8px 22px 8px 24px;line-height:1.2}
.data-badge b{font-size:1.55rem;color:var(--sand);font-variant-numeric:tabular-nums;letter-spacing:-.03em;font-weight:800}
.data-badge span{font-size:.8rem;color:rgba(255,248,237,.72)}
.trust-line{margin-top:16px;font-size:.85rem;color:rgba(255,248,237,.62)}
.trust-line a{color:rgba(255,248,237,.82);border-bottom:1px solid rgba(255,255,255,.36);transition:color .2s,border-color .2s}
.trust-line a:hover{color:var(--sand);border-color:var(--sand)}
/* footer */
.site-footer{background:var(--ink);color:rgba(255,248,237,.76);border-top:2px solid var(--sand);padding-top:72px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1.2fr 1.4fr;gap:40px;padding-bottom:48px}
.footer-brand .brand{margin-bottom:14px}
.footer-brand .brand-text{color:#FFF8ED}
.footer-brand .brand-text span{color:var(--sand)}
.footer-desc{font-size:.93rem;line-height:1.85;margin-top:10px;max-width:320px;color:rgba(255,248,237,.62)}
.footer-col h4{color:#FFF8ED;font-size:.95rem;letter-spacing:.05em;margin-bottom:18px;position:relative;padding-bottom:10px;font-weight:700}
.footer-col h4::after{content:"";position:absolute;left:0;bottom:0;width:28px;height:2px;background:var(--sand);border-radius:2px}
.footer-col ul{display:grid;gap:10px}
.footer-col ul a{color:rgba(255,248,237,.68);font-size:.92rem;padding:2px 0;border-bottom:1px solid transparent;transition:color .2s,border-color .2s}
.footer-col ul a:hover{color:var(--sand);border-color:rgba(224,174,85,.5)}
.footer-contact p{display:flex;align-items:center;gap:10px;color:rgba(255,248,237,.66);font-size:.9rem;margin-bottom:12px;line-height:1.6}
.footer-contact svg{width:18px;height:18px;flex:none;color:var(--sand)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.1);padding:24px 0 30px;font-size:.84rem;color:rgba(255,248,237,.5)}
.footer-bottom a{color:rgba(255,248,237,.6);border-bottom:1px solid transparent;transition:color .2s,border-color .2s}
.footer-bottom a:hover{color:var(--sand);border-color:var(--sand)}
/* responsive */
@media (max-width:1024px){
  .nav-toggle{display:inline-flex}
  .main-nav{position:absolute;top:72px;left:0;right:0;background:var(--card);border-bottom:1px solid var(--line);padding:18px 24px 24px;flex-direction:column;align-items:stretch;gap:8px;box-shadow:0 24px 40px rgba(80,50,20,.12);opacity:0;transform:translateY(-12px);visibility:hidden;pointer-events:none;transition:opacity .25s,transform .25s,visibility .25s}
  .main-nav.open{opacity:1;transform:translateY(0);visibility:visible;pointer-events:auto}
  .nav-link{padding:14px 18px;border-radius:14px}
  .header-cta{margin:10px 0 0;justify-content:center}
  .header-inner{position:relative}
  .guide-inner{padding:36px;flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:768px){
  .section{padding:64px 0}
  .cat-hero .container{padding-top:54px;padding-bottom:58px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .feature-grid{grid-template-columns:1fr}
  .guide-inner{padding:28px 24px}
  .guide-actions{width:100%}
  .guide-actions .btn{width:100%}
  .line-item{flex-direction:column;align-items:flex-start;gap:16px;padding:28px 2px}
  .line-action{width:100%}
  .line-action .btn{width:100%}
  .final-actions .btn{width:100%}
  .badge-row{width:100%}
  .footer-grid{grid-template-columns:1fr;row-gap:36px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .footer-bottom span{display:block}
}
@media (max-width:520px){
  .container{padding-left:18px;padding-right:18px}
  .card-body{padding:22px}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%}
  .card-foot{flex-direction:column;align-items:stretch}
  .card-foot .btn{width:100%}
}

/* roulang page: category2 */
:root{
  --primary:#E0AE55;
  --primary-deep:#C06438;
  --copper:#C06438;
  --brown:#8A4628;
  --dark:#1E1712;
  --dark-2:#2A2119;
  --bg:#F7F2EA;
  --card:#FFFDF8;
  --text:#211A14;
  --muted:#75665A;
  --line:#E9DFD1;
  --danger:#C1492A;
  --success:#4E7A54;
  --link:#B0522E;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:14px;
  --radius-pill:999px;
  --shadow:0 12px 30px rgba(80, 50, 20, 0.08);
  --shadow-hover:0 18px 40px rgba(80, 50, 20, 0.14);
  --container:1200px;
  --header-h:72px;
  --transition:.28s ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  font-size:1rem;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none;outline:none}
a:hover{color:var(--primary-deep)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button,input{font:inherit}
section[id]{scroll-margin-top:calc(var(--header-h) + 20px)}
:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:3px;
  border-radius:6px;
}
::selection{background:rgba(224,174,85,.35)}
.container{
  max-width:var(--container);
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:48px;
  padding:.8rem 1.7rem;
  gap:.6rem;
  border-radius:var(--radius-pill);
  border:1px solid transparent;
  font-weight:700;
  font-size:.95rem;
  line-height:1;
  cursor:pointer;
  transition:transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
  white-space:nowrap;
  background:none;
}
.btn svg{width:18px;height:18px}
.btn-primary{
  background:linear-gradient(135deg,var(--primary) 0%,var(--copper) 100%);
  color:var(--dark);
  box-shadow:0 10px 24px rgba(192,100,56,0.22);
}
.btn-primary:hover{
  transform:translateY(-3px);
  box-shadow:0 16px 34px rgba(192,100,56,0.3);
  color:var(--dark);
}
.btn-primary:active{
  transform:translateY(-1px);
  box-shadow:0 4px 12px rgba(192,100,56,0.2);
}
.btn-dark{
  background:var(--dark);
  color:#fff;
  box-shadow:0 8px 24px rgba(30,23,18,.18);
}
.btn-dark:hover{
  transform:translateY(-3px);
  color:#fff;
  background:#2d241d;
}
.btn-light{
  background:#fffdf8;
  color:var(--dark);
  box-shadow:0 8px 24px rgba(30,23,18,.18);
}
.btn-light:hover{
  transform:translateY(-3px);
  color:var(--dark);
  background:#fff;
}
.btn-outline{
  border-color:rgba(255,255,255,.55);
  color:#fff;
}
.btn-outline:hover{
  border-color:var(--primary);
  background:rgba(224,174,85,.12);
  color:#fff;
}
.btn-outline:active{
  transform:translateY(0);
}
.btn-link{
  display:inline-flex;
  align-items:center;
  gap:.45rem;
  min-height:auto;
  padding:0;
  color:var(--link);
  font-weight:600;
  border-radius:0;
}
.btn-link:hover{color:var(--brown)}
.btn-link::after{content:"→";transition:transform .2s}
.btn-link:hover::after{transform:translateX(3px)}

/* Header */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  height:var(--header-h);
  background:rgba(255,253,248,.96);
  border-bottom:1px solid var(--line);
  backdrop-filter:saturate(1.2);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:100%;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.brand-mark{
  display:flex;
  align-items:center;
  justify-content:center;
  width:42px;
  height:42px;
  border-radius:14px;
  background:linear-gradient(135deg,var(--primary) 0%,var(--copper) 100%);
  color:var(--dark);
  font-size:1rem;
  font-weight:900;
  letter-spacing:-.04em;
  box-shadow:0 6px 16px rgba(192,100,56,0.22);
}
.brand-text{
  font-size:1.25rem;
  font-weight:900;
  color:var(--text);
  letter-spacing:-.01em;
  line-height:1.2;
}
.brand-text span{
  display:inline;
  margin-left:.04rem;
  font-size:.82rem;
  font-weight:600;
  color:var(--primary-deep);
  letter-spacing:.1em;
}
.brand:hover{color:var(--text)}
.main-nav{
  display:flex;
  align-items:center;
  gap:8px;
  margin-left:auto;
}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:44px;
  padding:.5rem 1.15rem;
  border-radius:999px;
  color:var(--text);
  font-weight:600;
  font-size:.98rem;
  transition:color var(--transition),background var(--transition);
}
.nav-link:hover{
  color:var(--brown);
  background:rgba(224,174,85,.16);
}
.nav-link.active{
  color:var(--dark);
  background:rgba(224,174,85,.22);
}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:1.2rem;
  right:1.2rem;
  bottom:.28rem;
  height:2px;
  background:linear-gradient(90deg,var(--primary),var(--copper));
  border-radius:2px;
  opacity:.9;
}
.main-nav .header-cta{
  margin-left:16px;
  flex:0 0 auto;
}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  align-items:center;
  justify-content:center;
  border:1px solid var(--line);
  border-radius:14px;
  background:var(--card);
  color:var(--text);
  cursor:pointer;
}
.nav-toggle svg{width:22px;height:22px}
.nav-toggle:hover{
  border-color:var(--primary);
  color:var(--primary-deep);
}
.nav-toggle:focus-visible{outline:2px solid var(--primary);outline-offset:2px}

/* 页面头 */
.page-head{
  background:
    linear-gradient(112deg, rgba(30,23,18,.94) 0%, rgba(42,33,25,.82) 60%, rgba(80,50,20,.58) 100%),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  color:#fff;
  padding:76px 0 70px;
  border-bottom:1px solid rgba(224,174,85,.3);
}
.page-head .container{position:relative}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  gap:.5rem;
  align-items:center;
  margin-bottom:22px;
  color:rgba(255,253,248,.72);
  font-size:.88rem;
}
.breadcrumb a{color:rgba(255,253,248,.8);transition:color .2s}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{opacity:.5}
.breadcrumb .current{color:var(--primary)}
.page-head-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,auto);
  align-items:end;
  gap:40px;
}
.page-head-main{max-width:760px}
.kicker{
  display:inline-flex;
  align-items:center;
  gap:.5rem;
  padding:.28rem .85rem;
  border:1px solid rgba(224,174,85,.55);
  border-radius:999px;
  color:var(--primary);
  font-size:.8rem;
  font-weight:600;
  letter-spacing:.1em;
}
.kicker::before{
  content:"";
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--primary);
}
.page-head-main h1{
  margin:20px 0 16px;
  font-size:clamp(2.4rem,5vw,3.6rem);
  font-weight:800;
  line-height:1.14;
  letter-spacing:-.02em;
}
.page-head-main p{
  max-width:640px;
  color:rgba(255,253,248,.82);
  font-size:1.06rem;
}
.page-head-pills{
  display:flex;
  flex-direction:column;
  gap:14px;
  min-width:260px;
}
.pill{
  display:inline-flex;
  align-items:center;
  gap:.85rem;
  padding:.8rem 1.1rem;
  border:1px solid rgba(224,174,85,.42);
  border-radius:999px;
  background:rgba(255,255,255,.08);
  color:#fff;
}
.pill strong{
  font-size:1.3rem;
  font-weight:800;
  font-variant-numeric:tabular-nums;
  color:var(--primary);
  letter-spacing:-.02em;
}
.pill small{
  color:rgba(255,255,255,.74);
  font-size:.82rem;
  line-height:1.5;
}

/* 通用 section */
.section{
  padding:90px 0;
}
.section-alt{
  background:var(--card);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.section-head{
  margin-bottom:40px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:.5rem;
  color:var(--primary-deep);
  font-size:.9rem;
  font-weight:700;
  letter-spacing:.08em;
}
.eyebrow::before{
  content:"";
  width:20px;
  height:2px;
  border-radius:4px;
  background:var(--primary);
}
.section-head h2{
  margin-top:8px;
  font-size:clamp(1.8rem,3vw,2.3rem);
  font-weight:800;
  line-height:1.25;
  letter-spacing:-.02em;
}
.section-head p{
  margin-top:12px;
  max-width:680px;
  color:var(--muted);
}

/* 双栏资讯 */
.news-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 330px;
  gap:56px;
  align-items:start;
}
.news-list{
  border-top:1px solid var(--line);
}
.article-item{
  display:grid;
  grid-template-columns:220px minmax(0,1fr);
  gap:26px;
  padding:28px 0 30px;
  border-bottom:1px solid var(--line);
}
.article-media{
  position:relative;
  display:block;
  overflow:hidden;
  border-radius:18px;
  border:1px solid var(--line);
  aspect-ratio:3/2;
  background:#EFE4D3;
}
.article-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .45s ease;
}
.article-media:hover img{
  transform:scale(1.05);
}
.article-body .tag-row{
  display:flex;
  flex-wrap:wrap;
  gap:.55rem;
  margin-bottom:10px;
}
.meta-tag{
  display:inline-flex;
  align-items:center;
  padding:.16rem .7rem;
  background:rgba(224,174,85,.22);
  color:#7a4a12;
  border-radius:999px;
  font-size:.78rem;
  font-weight:600;
}
.meta-tag.outline{
  background:transparent;
  border:1px solid var(--line);
  color:var(--muted);
}
.article-body h3{
  font-size:1.22rem;
  font-weight:800;
  line-height:1.5;
  letter-spacing:-.01em;
}
.article-body h3 a{
  transition:color .2s;
}
.article-body h3 a:hover{
  color:var(--link);
}
.article-body .desc{
  margin-top:10px;
  color:var(--muted);
  font-size:.98rem;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:1rem;
  margin-top:16px;
  color:#948475;
  font-size:.85rem;
}
.article-meta .sep-dot{
  width:3px;height:3px;
  border-radius:50%;
  background:#c7b6a2;
}
.article-link{
  font-weight:700;
  color:var(--link);
  font-size:.9rem;
  display:inline-flex;
  align-items:center;
  gap:.25rem;
}
.article-link::after{content:"→"}
.article-link:hover{color:var(--brown)}

/* 右侧栏 */
.sidebar{
  position:sticky;
  top:calc(var(--header-h) + 24px);
  display:flex;
  flex-direction:column;
  gap:24px;
}
.side-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:24px;
  padding:26px;
  box-shadow:var(--shadow);
}
.side-card h3{
  font-size:1.16rem;
  font-weight:800;
  margin-bottom:12px;
}
.side-card .text{
  color:var(--muted);
  font-size:.94rem;
}
.side-brand{
  display:flex;
  align-items:center;
  gap:.45rem;
  font-weight:900;
  color:var(--text);
  font-size:1.2rem;
  margin-bottom:10px;
}
.side-brand span{
  color:var(--primary-deep);
  font-size:.82rem;
  font-weight:600;
  letter-spacing:.05em;
}
.side-list{
  margin-top:16px;
  border-top:1px dashed var(--line);
  padding-top:14px;
}
.side-list li{
  display:flex;
  gap:.5rem;
  padding:6px 0;
  color:var(--muted);
  font-size:.92rem;
}
.side-list li::before{
  content:"✓";
  color:var(--success);
  font-weight:700;
}
.tag-cloud{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.tag{
  display:inline-flex;
  align-items:center;
  padding:.35rem .85rem;
  border:1px solid var(--line);
  border-radius:999px;
  background:var(--bg);
  color:#72503a;
  font-size:.86rem;
  font-weight:600;
  transition:all .2s;
}
.tag:hover,.tag.is-active{
  border-color:var(--primary);
  background:rgba(224,174,85,.18);
  color:var(--dark);
}
.side-contact{
  background:
    radial-gradient(circle at 18% 8%, rgba(255,225,170,.5), rgba(255,225,170,0) 28%),
    linear-gradient(135deg,var(--primary) 0%,var(--copper) 100%);
  border:none;
  color:var(--dark);
}
.side-contact h3{
  font-size:1.25rem;
  letter-spacing:-.01em;
}
.side-contact p{
  color:#4b2e19;
  font-size:.94rem;
}
.side-contact .btn-dark{
  width:100%;
  margin-top:18px;
}

/* 流程模块 */
.process-area{
  background:var(--dark);
  color:rgba(255,253,248,.82);
  background:
    radial-gradient(circle at 80% 10%, rgba(224,174,85,.09), transparent 34%),
    linear-gradient(135deg,var(--dark),var(--dark-2));
}
.process-area .section-head h2{color:#fff}
.process-area .text-muted{color:rgba(255,255,255,.68)}
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:14px;
  margin-top:42px;
  counter-reset:step;
}
.step-card{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(224,174,85,.22);
  border-radius:20px;
  padding:26px 22px;
  transition:border-color .3s, background .3s, transform .3s;
}
.step-card:hover{
  background:rgba(255,255,255,.08);
  border-color:rgba(224,174,85,.55);
  transform:translateY(-4px);
}
.step-number{
  width:52px;height:52px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:16px;
  background:linear-gradient(135deg,rgba(224,174,85,.95),rgba(192,100,56,.92));
  color:var(--dark);
  font-size:1.6rem;
  font-weight:900;
  font-variant-numeric:tabular-nums;
  box-shadow:0 10px 24px rgba(224,174,85,.18);
}
.step-card h3{
  margin-top:20px;
  color:#fff;
  font-size:1.05rem;
  font-weight:800;
}
.step-card p{
  margin-top:8px;
  color:rgba(255,255,255,.62);
  font-size:.9rem;
  line-height:1.7;
}

/* 常见问题 */
.faq-wrap{
  max-width:860px;
  margin:0 auto;
}
.faq-head{text-align:center}
.faq-head p{margin-left:auto;margin-right:auto}
.faq-list{
  margin-top:38px;
  display:flex;
  flex-direction:column;
  gap:14px;
}
details.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:20px;
  box-shadow:0 8px 20px rgba(80,50,20,.05);
  overflow:hidden;
  transition:box-shadow .3s,border-color .3s;
}
details.faq-item:hover{
  border-color:rgba(224,174,85,.7);
  box-shadow:var(--shadow-hover);
}
.faq-q{
  list-style:none;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:24px;
  padding:20px 26px;
  cursor:pointer;
  color:var(--text);
  font-weight:700;
  font-size:1.05rem;
  background:transparent;
  transition:color .2s;
}
.faq-q::-webkit-details-marker{display:none}
.faq-q::after{
  content:"+";
  flex:0 0 auto;
  width:32px;height:32px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  background:rgba(224,174,85,.2);
  color:var(--primary-deep);
  font-size:1.25rem;
  font-weight:600;
  transition:transform .2s,background .2s,color .2s;
}
details[open] .faq-q::after{
  content:"−";
  transform:rotate(180deg);
  background:linear-gradient(135deg,var(--primary),var(--copper));
  color:var(--dark);
}
.faq-a{
  padding:0 26px 24px;
  color:var(--muted);
  line-height:1.9;
  animation:reveal .24s ease;
}
@keyframes reveal{
  from{opacity:0;transform:translateY(-6px)}
  to{opacity:1;transform:translateY(0)}
}

/* 底部 CTA */
.cta-band{
  background:
    linear-gradient(115deg, rgba(30,23,18,.94) 0%, rgba(42,33,25,.83)),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  color:#fff;
  padding:76px 0;
  text-align:center;
}
.cta-band h2{
  max-width:680px;
  font-size:clamp(1.9rem,3.4vw,2.7rem);
  font-weight:800;
  line-height:1.35;
  margin:0 auto 14px;
  letter-spacing:-.02em;
}
.cta-band p{
  max-width:620px;
  margin:0 auto 32px;
  color:rgba(255,255,255,.76);
  font-size:1.02rem;
}
.cta-btns{
  display:flex;
  justify-content:center;
  flex-wrap:wrap;
  gap:16px;
}
.cta-note{
  margin-top:18px;
  color:rgba(255,255,255,.5);
  font-size:.86rem;
}

/* Footer */
.site-footer{
  background:var(--dark);
  color:rgba(255,253,248,.78);
  border-top:3px solid var(--primary);
  padding:62px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.4fr;
  gap:38px;
  padding-bottom:46px;
}
.site-footer .brand{
  margin-bottom:16px;
}
.site-footer .brand-text{
  color:#fff;
}
.site-footer .brand-text span{
  color:var(--primary);
}
.footer-desc{
  max-width:310px;
  margin-top:14px;
  color:rgba(255,255,255,.58);
  font-size:.92rem;
  line-height:1.9;
}
.footer-col h4{
  color:#fff;
  font-size:1.05rem;
  font-weight:700;
  margin-bottom:18px;
}
.footer-col ul li{
  padding:4px 0;
}
.footer-col ul a{
  color:rgba(255,255,255,.66);
  transition:color .2s, padding-left .2s;
}
.footer-col ul a:hover{
  color:var(--primary);
  padding-left:4px;
}
.footer-contact p{
  display:flex;
  align-items:flex-start;
  gap:10px;
  color:rgba(255,255,255,.66);
  font-size:.92rem;
  padding:5px 0;
}
.footer-contact svg{
  flex:0 0 auto;
  width:18px;height:18px;
  color:var(--primary);
  margin-top:5px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0 26px;
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:8px;
  color:rgba(255,255,255,.45);
  font-size:.86rem;
}

/* 响应式 */
@media (max-width:1024px){
  :root{--header-h:64px}
  .container{padding-left:20px;padding-right:20px}
  .section{padding:72px 0}
  .nav-toggle{display:flex}
  .main-nav{
    position:absolute;
    top:calc(100% + 0px);
    left:20px;
    right:20px;
    background:var(--card);
    border:1px solid var(--line);
    border-top:none;
    border-radius:0 0 20px 20px;
    box-shadow:0 24px 48px rgba(60,32,15,.16);
    display:flex;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding:14px;
    visibility:hidden;
    opacity:0;
    transform:translateY(-8px);
    transition:opacity .24s ease,transform .24s ease,visibility .24s;
  }
  .main-nav.open{
    visibility:visible;
    opacity:1;
    transform:translateY(0);
  }
  .main-nav .nav-link{
    justify-content:center;
    min-height:46px;
    font-size:1rem;
  }
  .main-nav .nav-link.active::after{display:none}
  .main-nav .header-cta{
    margin:12px 0 0;
    width:100%;
  }
  .news-layout{
    grid-template-columns:minmax(0,1fr);
    gap:40px;
  }
  .sidebar{
    position:static;
    max-width:none;
  }
  .steps{
    grid-template-columns:repeat(2,1fr);
  }
  .footer-grid{
    grid-template-columns:1fr 1fr;
  }
  .page-head{padding:62px 0 56px}
}

@media (max-width:768px){
  .section{padding:56px 0}
  .article-item{
    grid-template-columns:1fr;
  }
  .page-head-grid{
    grid-template-columns:1fr;
    gap:28px;
  }
  .page-head-pills{
    min-width:0;
    flex-direction:row;
    flex-wrap:wrap;
  }
  .footer-grid{
    grid-template-columns:1fr;
    gap:32px;
  }
  .footer-bottom{
    flex-direction:column;
    text-align:center;
  }
  .cta-btns .btn{
    width:100%;
  }
  .article-body .desc{
    -webkit-line-clamp:4;
  }
}

@media (max-width:520px){
  .steps{
    grid-template-columns:1fr;
  }
  .header-inner{gap:8px}
  .brand-text{
    font-size:1.05rem;
  }
  .brand-text span{
    font-size:.68rem;
  }
  .brand-mark{
    width:38px;height:38px;
    font-size:.92rem;
    border-radius:12px;
  }
  .page-head-main h1{
    font-size:2.3rem;
  }
}